https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93639
--- Comment #2 from raphael grimm <raphael.grimm at kit dot edu> --- Created attachment 47804 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=47804&action=edit more minimal example also causing this error test.cpp:23:28: internal compiler error: Segmentation fault 23 | using type = a<str.cstr>; | ^ 0xc8980f crash_signal /home/raphael/repos/build-gcc/gcc/gcc/toplev.c:328 0x673d73 resolve_args(vec<tree_node*, va_gc, vl_embed>*, int) /home/raphael/repos/build-gcc/gcc/gcc/cp/call.c:4431 0x78513c do_class_deduction /home/raphael/repos/build-gcc/gcc/gcc/cp/pt.c:28599 0x78513c do_auto_deduction(tree_node*, tree_node*, tree_node*, int, auto_deduction_context, tree_node*, int) /home/raphael/repos/build-gcc/gcc/gcc/cp/pt.c:28732 0x7865cd convert_template_argument /home/raphael/repos/build-gcc/gcc/gcc/cp/pt.c:8309 0x798db7 convert_template_argument /home/raphael/repos/build-gcc/gcc/gcc/cp/pt.c:8082 0x798db7 coerce_template_parms /home/raphael/repos/build-gcc/gcc/gcc/cp/pt.c:8813 0x79cbd9 lookup_template_class_1 /home/raphael/repos/build-gcc/gcc/gcc/cp/pt.c:9668 0x79dedc lookup_template_class(tree_node*, tree_node*, tree_node*, tree_node*, int, int) /home/raphael/repos/build-gcc/gcc/gcc/cp/pt.c:10040 0x7b925d finish_template_type(tree_node*, tree_node*, int) /home/raphael/repos/build-gcc/gcc/gcc/cp/semantics.c:3407 0x762265 cp_parser_template_id /home/raphael/repos/build-gcc/gcc/gcc/cp/parser.c:16681 0x7624b7 cp_parser_class_name /home/raphael/repos/build-gcc/gcc/gcc/cp/parser.c:23618 0x75f2e1 cp_parser_qualifying_entity /home/raphael/repos/build-gcc/gcc/gcc/cp/parser.c:6738 0x75f2e1 cp_parser_nested_name_specifier_opt /home/raphael/repos/build-gcc/gcc/gcc/cp/parser.c:6410 0x766661 cp_parser_simple_type_specifier /home/raphael/repos/build-gcc/gcc/gcc/cp/parser.c:18076 0x74d46c cp_parser_type_specifier /home/raphael/repos/build-gcc/gcc/gcc/cp/parser.c:17734 0x760af2 cp_parser_type_specifier_seq /home/raphael/repos/build-gcc/gcc/gcc/cp/parser.c:22307 0x75adb4 cp_parser_type_id_1 /home/raphael/repos/build-gcc/gcc/gcc/cp/parser.c:22124 0x75bf58 cp_parser_type_id /home/raphael/repos/build-gcc/gcc/gcc/cp/parser.c:22203 0x75bf58 cp_parser_alias_declaration /home/raphael/repos/build-gcc/gcc/gcc/cp/parser.c:19949 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <https://gcc.gnu.org/bugs/> for instructions.
